Annual report [Section 13 and 15(d), not S-K Item 405]

REVENUES - By Market and Product Line (Details)

v3.25.0.1
REVENUES - By Market and Product Line (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disaggregation of Revenue [Line Items]      
Revenues $ 19,185 $ 21,996 $ 22,989
Steelmaking      
Disaggregation of Revenue [Line Items]      
Revenues 18,620 21,413 22,462
Steelmaking | Third Party      
Disaggregation of Revenue [Line Items]      
Revenues 18,529 21,331 22,383
Steelmaking | Hot-rolled steel      
Disaggregation of Revenue [Line Items]      
Revenues 4,276 4,864 4,529
Steelmaking | Cold-rolled steel      
Disaggregation of Revenue [Line Items]      
Revenues 2,712 2,658 3,193
Steelmaking | Coated steel      
Disaggregation of Revenue [Line Items]      
Revenues 5,773 6,661 6,905
Steelmaking | Stainless and electrical steel      
Disaggregation of Revenue [Line Items]      
Revenues 1,807 2,281 2,284
Steelmaking | Plate      
Disaggregation of Revenue [Line Items]      
Revenues 1,119 1,444 1,651
Steelmaking | Slab and other steel products      
Disaggregation of Revenue [Line Items]      
Revenues 1,178 1,329 1,492
Steelmaking | Other      
Disaggregation of Revenue [Line Items]      
Revenues 1,664 2,094 2,329
Other Businesses      
Disaggregation of Revenue [Line Items]      
Revenues 656 665 606
Other Businesses | Other      
Disaggregation of Revenue [Line Items]      
Revenues 656 665 606
Automotive | Steelmaking      
Disaggregation of Revenue [Line Items]      
Revenues 5,571 7,440 6,661
Automotive | Other Businesses      
Disaggregation of Revenue [Line Items]      
Revenues 540 545 478
Infrastructure and manufacturing | Steelmaking      
Disaggregation of Revenue [Line Items]      
Revenues 5,208 5,612 5,869
Infrastructure and manufacturing | Other Businesses      
Disaggregation of Revenue [Line Items]      
Revenues 39 38 52
Distributors and converters | Steelmaking      
Disaggregation of Revenue [Line Items]      
Revenues 5,281 5,330 6,388
Distributors and converters | Other Businesses      
Disaggregation of Revenue [Line Items]      
Revenues 77 82 76
Steel producers | Steelmaking      
Disaggregation of Revenue [Line Items]      
Revenues $ 2,469 $ 2,949 $ 3,465